What do you mean by valency of an atom? Write the valencies of sodium, chlorine, magnesium? (Atomic number for Cl=17, Na=11, Mg=12).

What do you mean by valency of an atom? Write the valencies of sodium,

1.	What do you mean by valency of an atom? Write the valencies of sodium, chlorine, magnesium? (Atomic number for Cl=17, Na=11, Mg=12).
Answer» TION:VALENCY is the combining power of an element. The valency of an element is related to how many ELECTRONS are in the outer shell.

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What do you mean by valency of an atom? Write the valencies of sodium, chlorine, magnesium? (Atomic number for Cl=17, Na=11, Mg=12). ​

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What do you mean by valency of an atom? Write the valencies of sodium, chlorine, magnesium? (Atomic number for Cl=17, Na=11, Mg=12).